Diagnostic cartridge



FIG. 1 is a perspective view of the diagnostic cartridge, showing the new design;

FIG. 2 is a top plan view of the diagnostic cartridge;

FIG. 3 is a side elevation of the diagnostic cartridge, an opposing side elevation of the diagnostic cartridge being a mirror image thereof;

FIG. 4 is a bottom plan view of the diagnostic cartridge;

FIG. 5 is a front end elevation of the diagnostic cartridge; and,

FIG. 6 is a rear end elevation of the diagnostic cartridge.

In all of FIGS. 1 through 6, dashed lines indicate environmental structure that forms no part of the claimed design. 

The ornamental design for a diagnostic cartridge, as shown and described. 